#ifndef __DRV_74HC595_H__
#define __DRV_74HC595_H__
#include <stm32f4xx.h>
void drv_74hc595_init(void);//调用SPI的初始化
void drv_seg_display(uint8_t wei,uint8_t data);//数码管显示
#endif //__DRV_74HC595_H__


